Lamotte SMART®Spectro Portable Spectrophotometer for Water Quality Analysis
| Brand | Lamotte |
|---|---|
| Model | SMART®Spectro |
| Origin | USA |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Wavelength Range | 350–1000 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Resolution | 1 nm |
| Spectral Bandwidth | 5 nm (max) |
| Photometric Range | 0–125% Transmittance, −0.1–2.5 Absorbance |
| Photometric Accuracy | ±0.005 A |
| Stray Light | <0.5% T |
| Light Source | Quartz Halogen Lamp |
| Cuvette Compatibility | 25 mm round tubes, 10 mm square UDV cells, COD vials, flow-through cells (optional) |
| Optical Design | Optimized Ebert monochromator with 1200 lines/mm grating |
| Measurement Modes | Concentration, %T, Absorbance |
| Power Supply | 110/220 V AC or rechargeable battery pack |
| Weight | 4.65 kg (10.3 lbs) |
| Dimensions | 35 × 28 × 17 cm |
| Pre-programmed Methods | >80 water quality parameters |
| User Calibrations | Up to 25 stored |
| Wavelength Selection | Automatic upon method selection |
| Menu Interface | Intuitive graphical LCD with customizable test ordering |
Overview
The Lamotte SMART®Spectro Portable Spectrophotometer is a laboratory-grade, field-deployable instrument engineered for precise, traceable quantitative analysis of water quality parameters in compliance with standard methods from EPA, ASTM, ISO, and APHA. Based on single-beam optical architecture with an optimized Ebert monochromator and 1200 lines/mm holographic grating, it delivers high spectral fidelity across a broad wavelength range (350–1000 nm), enabling accurate quantification of colorimetric, enzymatic, and redox-based assays—including nitrate, phosphate, ammonia, chlorine, COD, iron, manganese, hardness, and total suspended solids. Its quartz halogen light source ensures stable intensity output over extended operational cycles, while the fixed 5 nm spectral bandwidth balances sensitivity and resolution for routine environmental testing. Designed for regulatory-constrained environments, the SMART®Spectro supports audit-ready data integrity through timestamped measurements, user authentication, and non-editable result logs.
Key Features
- Pre-loaded analytical methods for over 80 standardized water quality parameters—fully aligned with EPA Method 365.3 (phosphate), EPA 330.5 (chlorine), ISO 6060 (COD), and APHA Standard Methods 4500-Cl G, 4500-P E, and 4500-NH3 F
- Automatic wavelength selection synchronized to selected test method—eliminating manual calibration drift and operator error
- High-precision photometry with ±0.005 A absorbance accuracy and <0.5% T stray light—meeting ISO 10140-2 performance criteria for portable spectrophotometers
- Flexible cuvette compatibility: accommodates 25 mm round test tubes, 10 mm square UDV cells, certified COD vials, and optional flow-through cells for continuous monitoring integration
- Rechargeable battery operation (up to 8 hours) plus universal 110/220 V AC input—enabling uninterrupted use in remote sampling sites, wastewater plants, and mobile labs
- Customizable test menu: users may reorder frequently used assays via intuitive touchscreen navigation—reducing procedural steps and minimizing training time
- Secure data management: stores up to 25 independent user-defined calibrations with full metadata (date, operator ID, lot number, reagent expiry)
Sample Compatibility & Compliance
The SMART®Spectro is validated for use with aqueous matrices across drinking water, surface water, wastewater effluent, industrial process streams, and aquaculture systems. It complies with Good Laboratory Practice (GLP) and supports 21 CFR Part 11–compliant workflows when paired with Lamotte’s optional LQ-Link software (requiring electronic signature configuration and audit trail activation). All pre-programmed methods reference internationally accepted protocols—including ASTM D3370 (sampling), ISO 5667-3 (sample preservation), and USP for uniformity of dosage units where applicable to reagent-based kits. The instrument’s optical path design minimizes matrix interference from turbidity and particulate scatter, and its built-in baseline correction algorithm compensates for variable blank absorbance in field-collected samples.
Software & Data Management
Data export is supported via USB 2.0 interface to Windows-based PCs running Lamotte’s LQ-Link desktop application—a validated platform for report generation, trend analysis, and electronic record archiving. LQ-Link enforces ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) and enables automated PDF report creation with embedded calibration certificates, method IDs, and QC flagging (e.g., out-of-range blanks, duplicate deviation alerts). When deployed in regulated facilities, the system supports role-based access control, electronic signatures, and immutable audit trails compliant with FDA 21 CFR Part 11 Annex 11 and EU GMP Annex 11 requirements. Raw absorbance values, concentration outputs, and method-specific calculation logs are retained in encrypted binary format with SHA-256 hash verification.
Applications
- Routine compliance monitoring for municipal water treatment plants under Safe Drinking Water Act (SDWA) and Clean Water Act (CWA) reporting requirements
- Field-based rapid assessment of nutrient loading (N, P) and organic pollution indicators (COD, BOD surrogates) in watershed studies
- Process control in industrial pretreatment systems—monitoring heavy metals, cyanide, and sulfide concentrations prior to discharge
- Educational laboratories requiring NIST-traceable photometric validation and curriculum-aligned method libraries
- Emergency response deployment for post-flooding or chemical spill assessments—leveraging battery-powered portability and rapid method switching
- Third-party environmental laboratories performing ISO/IEC 17025-accredited testing where instrument qualification (IQ/OQ/PQ) documentation is required
FAQ
Is the SMART®Spectro suitable for ISO/IEC 17025-accredited laboratories?
Yes—when operated with documented calibration procedures, traceable standards (e.g., NIST SRM 930e filters), and validated reagent kits, the instrument meets metrological requirements for accredited testing. Full IQ/OQ/PQ protocols are available upon request.
Can custom methods be uploaded or modified?
No—user-defined methods are not supported. All assays are factory-validated and locked to ensure method integrity; only calibration curves and sample identifiers may be user-entered within predefined assay frameworks.
What is the recommended calibration frequency?
Daily zero and span verification using supplied air blank and certified reference standards is required. Wavelength verification with holmium oxide or didymium filters is recommended quarterly per ISO 17025 Clause 6.4.10.
Does the instrument support Bluetooth or Wi-Fi connectivity?
No—data transfer is exclusively via USB 2.0 to maintain electromagnetic compatibility in electrically noisy field environments and prevent unauthorized remote access.
Are reagents and consumables included with purchase?
No—reagents, cuvettes, and calibration standards are sold separately as part of Lamotte’s ColorQ and AquaQuant product lines, each with lot-specific certificate of analysis and expiration tracking.



